... nylon 2)CE/GS/SGS/ISO9001 trimmer line1) We manufacture may different models of trimmer linesMaterialLine DesriptionDIA.Line TypeLine TypeNewModellength in ... The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on.3) Our ... We have the CE, GS, SGS, ISO9001 conformity certifications. grass trimmer line for garden tools